Cold Steel Double Agent I Fixed Blade Neck Knife 39FKS Serrated Karambit-Style

The Cold Steel Double Agent I is a compact fixed-blade neck knife designed for covert carry and rapid deployment. Its recurved, karambit-inspired blade features a serrated edge for aggressive cutting performance, while the dual finger-ring handle design provides a secure, retention-focused grip in any orientation.

Built for personal defense and everyday utility, the Double Agent I comes complete with a black Griv-Ex handle scale over a full stainless tang, plus a Secure-Ex sheath with neck chain for discreet, always-ready carry. This is a genuine Cold Steel product, identified by SKU 39FKS and UPC 705442008293.

• Recurved, serrated stainless steel blade for aggressive cutting
• Karambit-style dual finger-ring handle for secure grip and retention
• Black Griv-Ex handle inserts over full stainless steel construction
• Includes black Secure-Ex sheath with ball-chain lanyard for neck carry
• Compact, lightweight design ideal for concealed EDC and personal defense
• Model: Double Agent I — SKU 39FKS